1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <stdint.h>
#include <libexif/exif-loader.h>
void content_func(ExifEntry *entry, void *user_data) {
char buf[10000];
exif_entry_get_value(entry, buf, sizeof(buf));
}
void data_func(ExifContent *content, void *user_data) {
exif_content_foreach_entry(content, content_func, NULL);
}
static void
test_exif_data (ExifData *d) {
unsigned int i, c;
char v[1024], *p;
ExifMnoteData *md;
md = exif_data_get_mnote_data (d);
if (!md) {
return;
}
exif_mnote_data_ref (md);
exif_mnote_data_unref (md);
c = exif_mnote_data_count (md);
for (i = 0; i < c; i++) {
const char *name = exif_mnote_data_get_name (md, i);
if (!name) {
break;
}
exif_mnote_data_get_title (md, i);
exif_mnote_data_get_description (md, i);
exif_mnote_data_get_value (md, i, v, sizeof (v));
}
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
ExifLoader *loader = exif_loader_new();
ExifData *exif_data;
if (!loader) {
return 0;
}
exif_loader_write(loader, const_cast<unsigned char*>(data), size);
exif_data = exif_loader_get_data(loader);
if(!exif_data) {
exif_loader_unref(loader);
return 0;
}
exif_data_foreach_content(exif_data, data_func, NULL);
test_exif_data (exif_data);
exif_loader_unref(loader);
exif_data_unref(exif_data);
return 0;
}
|
